Palatine, IL:
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24 Hour Emergency Service
Libertyville, IL:
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Summertime Illinois temperatures can reach well into the upper 80s and 90s, making staying inside unbearably hot. Therefore, you need a working AC unit for your health and wellness during the season. If you need air conditioner services from expert HVAC contractors, call Allied Air Conditioning & Heating today.

Expert AC Repair in Lake Zurich

Allied Air Conditioning & Heating provides expert air conditioner services with only the best service technicians in the business. Our NATE-certified technicians have the tools, years of training, and experience around the Lake Zurich area to handle your AC repairs, installations, or replacements. We work on

  • Outdoor AC units
  • Central air conditioning
  • Ductless HVAC
  • Heat pumps
  • And more!

AC Replacement in Lake Zurich

If you have an older system and need an energy-efficient model, we offer air conditioning replacements in Lake Zurich, IL. We first inspect the older model to identify issues beyond repair. Then, we’ll provide a quote and model options so you can choose the best unit for your needs and budget. No matter what, we ensure your air conditioning system functions all year without breakdowns or leakage.

Benefits of AC Repair and Replacement

Having expert air conditioning repair services in Lake Zurich, IL, has many benefits for your home, such as

  • Cost-Savings and Energy Efficiency: New AC systems use less energy to cool the home, meaning smaller energy bills at the end of the month. The advanced energy-efficient technologies built into the units further prevent forced cooling, reducing the likelihood of breakdowns or disruptions. You can expect fewer maintenance trips, saving you more money on your annual HVAC upkeep.
  • Durability: No one wants to deal with the stress of a broken air conditioner, especially if it’s aged and has seen copious wear and tear. Therefore, having us perform our AC repair services ensures long-term functionality for years to come.
  • Peace of Mind: Allied Air Conditioning & Heating wants everyone to feel safe and comfortable at home. Our cooling services give you the peace of mind you deserve so you avoid stressing about the HVAC system.

HVAC Technician Repairing an Indoor Air conditioner at a Lake Zurich, IL Home

Why Choose Allied?

Allied Air Conditioning & Heating has served thousands of customers in Lake Zurich and the surrounding areas for over 55 years. We take pride in our services: from the initial inspection to the final installation details. No matter how large or small your service project is, we always guarantee excellent work. Check out our countless 5-star reviews to see some of our past work and satisfied clients.

Contact Us Today for a Free Estimate!

Call us at 847-262-3349 for a free estimate. We’re available 24/7 for emergency services or to schedule a future appointment. Wherever you need heating and air conditioning service in Lake Zurich, IL, you can trust our HVAC technicians to finish the job fast and efficiently.

We’re the number-one HVAC company in Lake Zurich, dedicated to solving your heating and cooling system problems with the best cost-saving and energy-efficient solutions.


Interested in a boiler for your home or commercial space? Allied Air Conditioning & Heating Corporation partners with IBC and Carrier brands to not only ensure the right fit for any demand but outstanding reliability and lasting performance.


Through our relationship with Wells Fargo Bank, N.A., participating HVAC dealers offer a variety of flexible options for financing your new HVAC product or system. That way, you can invest in your home’s comfort without breaking your monthly budget.

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